Grokbase Groups R r-help July 2000

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99 discussions - 294 posts

  • Hi, Does somebody knows of the existence of a library of functions for solving differential equations, I need a solver for a system of non linear first order differential equations. I think there was ...
    Heberto GhezzoHeberto Ghezzo
    Jul 26, 2000 at 3:00 pm
    Jul 28, 2000 at 10:19 am
  • Hi, I am trying to put some graphics I have generated from R on a webpage using dev2bitmap to create a bitmap, .BMP, file. When I look at my notes from 2 or 3 months ago I was successfully able to ...
    Steve ArthurSteve Arthur
    Jul 18, 2000 at 7:51 pm
    Sep 13, 2000 at 9:26 am
  • Dear all, I've got a quite large dataframe (stor) with rows subject and rt (reaction time). I would like to split the reaction times per subject into 6 bins of equal size. Right now, I'm using the ...
    Jul 28, 2000 at 6:21 pm
    Jul 31, 2000 at 2:30 pm
  • Dear friends. Library Date was updated recently. I do not remember having seen the error below until now ? The plot title is made appropriately but the error message may be annoying, right ? I use ...
    Troels RingTroels Ring
    Jul 1, 2000 at 8:10 am
    Jul 11, 2000 at 10:23 pm
  • howdy R friends, I've searched CRAN but to no avail... I'm trying to use mva's hclust and print out for say 10 clusters in batch. How do I do this? It's unclear if I can use cutree. thanks, John ...
    Strumila, JohnStrumila, John
    Jul 20, 2000 at 6:40 am
    Jul 20, 2000 at 3:38 pm
  • Hello, I'd like to ask whether there is a prefered linux distribution for use with R (Suse, Redhat, Debian) and what fortran compiler is recommended (f77 or f2c)? Thank you -- Dr. Jens Oehlschl?gel ...
    Jens OehlschlägelJens Oehlschlägel
    Jul 5, 2000 at 12:15 pm
    Jul 8, 2000 at 5:45 pm
  • the following occurred inadvertently and brought R-1.1.0 down rep(1:3, c(4,2,-6)) Segmentation Fault (core dumped) platform i686-pc-linux-gnu arch i686 os linux-gnu system i686, linux-gnu status ...
    Colin FarrowColin Farrow
    Jul 28, 2000 at 2:29 pm
    Jul 28, 2000 at 9:06 pm
  • Dear list, I tried to install R-1.1.0 under SuSe Linux 5.2. ./configure --prefix=/usr/applic/packages/R make make install worked without error. make check led to make[1]: Entering directory ...
    Christian HennigChristian Hennig
    Jul 17, 2000 at 6:08 pm
    Jul 24, 2000 at 2:06 pm
  • Hi, I have what I think is an easy question. I have a data frame, called stockdata, of stock prices that looks like this: date ticker close 1 01/02/1998 GE 24.667 2 01/05/1998 GE 25.104 3 01/06/1998 ...
    Jeff MillerJeff Miller
    Jul 7, 2000 at 10:17 pm
    Jul 10, 2000 at 10:58 pm
  • Dear friends. Below is ouput directly from the help on qqnorm.lme.html It do not seem to work as expected - on win98, R 1.1, although the regression is undertaken, so qqnorm misunderstands, or what ? ...
    Troels RingTroels Ring
    Jul 4, 2000 at 9:06 pm
    Jul 7, 2000 at 3:46 pm
  • I am very confused about this. I want to convert a string to a name so I can use it to extract an element of a data frame using `$'. Here is my (non-working) code: do.graph <- function (meas) { fn <- ...
    Stuart LuppescuStuart Luppescu
    Jul 28, 2000 at 2:43 am
    Jul 31, 2000 at 10:24 pm
  • Hi there, I know this question may sounds strange, but here it goes: Is it possible to delay the speed of a for loop? For example, if I have: for (i in 1:100) { blah blah blah } within the for loop I ...
    Ko-Kang WangKo-Kang Wang
    Jul 31, 2000 at 11:56 am
    Jul 31, 2000 at 2:27 pm
  • Hello, are there any good methods in R that will test if two correlation matrices (obtained in different ways) are equal? Something better than the Mantel test would be preferable. Regards, Patrik ...
    Patrik WaldmannPatrik Waldmann
    Jul 26, 2000 at 12:56 pm
    Jul 27, 2000 at 5:04 am
  • g'day R friends, can anyone please help me with a frustrating merge? The number of rows of a resulting merge is the smaller of the 2 dataframes used as input. What am I doing wrong? I'm using 1.1.0 ...
    Strumila, JohnStrumila, John
    Jul 26, 2000 at 7:35 am
    Jul 27, 2000 at 1:56 am
  • Why is it that when a vector contains no NAs, na.omit returns an empty vector rather than the object/vector that was passed to it? numeric(0) in contrast ... [1] 1 2 3 attr(,"na.action") [1] 4 ...
    Jul 17, 2000 at 2:48 pm
    Jul 18, 2000 at 1:29 pm
  • Hi All R guru's, A couple of simple questions which I cannot find answers to in "an introduction to R" or in the reference manuals. I am running R on Win95, and have plotted up quite a nice box and ...
    Redding, MatthewRedding, Matthew
    Jul 17, 2000 at 3:59 am
    Jul 18, 2000 at 6:15 am
  • Hi all, how can I remove objects from the workspace which starts with a certain pattern, e.g. lm (lm1, lm2, lm3 etc). Wildcards won?t work. Thanks, Sven ...
    Sven GarbadeSven Garbade
    Jul 12, 2000 at 2:04 pm
    Jul 15, 2000 at 6:32 am
  • I am using RedHat 6.1, the R1.1.0 binary download, and an HP Deskjet 692C. For some time I have been trying unsuccessfully to integrate R postscript graphics in LaTex. I consulted the Bug Tracking ...
    Peter B. MandevillePeter B. Mandeville
    Jul 11, 2000 at 10:22 am
    Jul 12, 2000 at 12:18 pm
  • I'm fitting glm models and the summary gives the deviance of the model . I would like to obtain the log likelihood How can I do ? Thanks ...
    Alvine BisseryAlvine Bissery
    Jul 28, 2000 at 7:47 am
    Jul 28, 2000 at 1:42 pm
  • Dear all, Will R run under Win2000 or is it safer to stay with NT4.0 for a while? Regards -- Dr. Jens Oehlschl?gel Analyse BBDO InterOne Gr?nstr. 15 40212 D?sseldorf Tel.: +49 (0)211 1379-187 Fax. ...
    Jens OehlschlägelJens Oehlschlägel
    Jul 27, 2000 at 1:54 pm
    Jul 27, 2000 at 4:57 pm
  • Hi, I'm just wondering about file name syntax. Instead of stuff <- read.table("e:/statcourses/stuff.dat") I'd like to be able to do stuff <- read.table("ptolemy/statcourses/stuff.dat") or stuff <- ...
    Murray JorgensenMurray Jorgensen
    Jul 25, 2000 at 7:46 am
    Jul 25, 2000 at 5:48 pm
  • Again the same type of problem with scoping. I wrote the simple functions below, 'by' is from Trevor Hastie modified by F.Harrel and copied from the list. epi.crosstab <- function(vec1, vec2, ...
    Heberto GhezzoHeberto Ghezzo
    Jul 13, 2000 at 9:24 pm
    Jul 19, 2000 at 6:39 pm
  • Hi all, I am trying to teach myself to use and program R (How else do you do it? lol) Anyway, I wrote a piece of code to compute coefficent alpha for a scale. As I am neither a statistician nor a ...
    Magill, BrettMagill, Brett
    Jul 17, 2000 at 7:13 pm
    Jul 17, 2000 at 9:45 pm
  • I am new to R (and S) and I hope someone on the list can help me out. I find the following behaviour surprising, is it a bug or a feature? (looks like a bug to me) R Version 1.1.0, Windows (x86, ...
    Pedro J. AphaloPedro J. Aphalo
    Jul 13, 2000 at 6:19 am
    Jul 14, 2000 at 8:24 am
  • Has anyone succeeded in compiling R-1.1.0 on a Digital (Compaq) Alpha running OSF4.0F (or E)? Everything seems to compile OK (except the frequent "Warning: Unresolved:" at link time - this threw me ...
    Ray BrownriggRay Brownrigg
    Jul 6, 2000 at 3:16 am
    Jul 13, 2000 at 7:00 am
  • Hello: I am looking at "Writing R Extensions", subsection 3.6.4, using R 1.1.0, under NT4.0, with VC++ 6.0. Under these conditions I can use the first method given for coding the out() function, but ...
    Richards, TomRichards, Tom
    Jul 12, 2000 at 9:22 am
    Jul 12, 2000 at 4:14 pm
  • Hi, I've been searching through the R help archives and came across only one AIX compilation question in March, which received no public responses. I'm currently having the same problems with the ...
    Peter CameronPeter Cameron
    Jul 12, 2000 at 9:00 am
    Jul 12, 2000 at 3:21 pm
  • Hi Rers, W/o trying to make a long story short (I hope you read that correctly), I have been working on a nice little R function ... Somewhere along the line I got an error that refers to a max ...
    Steve ArthurSteve Arthur
    Jul 11, 2000 at 6:11 pm
    Jul 11, 2000 at 9:29 pm
  • I've got an R wrapper around an old DOS program. In the R program I need to test whether the DOS program failed to produce certain output. This is indicated by certain text files created by the DOS ...
    Griffith FeeneyGriffith Feeney
    Jul 11, 2000 at 2:01 am
    Jul 11, 2000 at 4:54 pm
  • I am planing to buy several machines with 2 GB RAM. Is R able to use this much memory? Thanks Gerhard -- Dr. Gerhard Paass GMD.AiS - Inst. for Autonomous Intelligent Systems ...
    Gerhard PaassGerhard Paass
    Jul 7, 2000 at 1:15 pm
    Jul 7, 2000 at 4:06 pm
  • Hola! I have the following simple function: function(pow){ ob <- glm(Pound~CG+Age+Vage,data=car,weights=No, subset=No 0,family=quasi(link=power(pow),var=mu^2)) deviance(ob) } But trying to run it ...
    Jul 5, 2000 at 9:41 pm
    Jul 6, 2000 at 12:51 pm
  • Hi, Well after trying to fix the assign commands in version 3.1.7 of your nlme package I still cannot get the plot functions to work. Basically I have no other packages installed (apart from those ...
    Anthony LaceyAnthony Lacey
    Jul 31, 2000 at 11:42 am
    Jul 31, 2000 at 12:23 pm
  • I'm trying to learn how to use R version 1.1.0 under Mandrake Linux version 6.1. Using R interactively, I get good results. However, when I attempt to execute commands from a file (following the ...
    John P. BurkettJohn P. Burkett
    Jul 27, 2000 at 7:53 pm
    Jul 27, 2000 at 8:30 pm
  • I have experimented with the cheese data example from McCullagh&Nelder, page 175. With a proportional odds model they obtain a residual deviance of 20.31. Estimating the same model with polr(MASS) ...
    Jul 24, 2000 at 10:29 pm
    Jul 27, 2000 at 8:53 am
  • Hello... I'm having problems getting the "tcltk" package to run within a recently installed version of R (R1.10 for Windows95). Error in firstlib(which.lib.loc, package) : TCL_LIBRARY is not set ...
    Jason FisherJason Fisher
    Jul 20, 2000 at 4:32 pm
    Jul 20, 2000 at 6:45 pm
  • Bonjour, Je voudrais savoir comment on peut modifier les capacit?s de m?moire pour le logiciel R, car j'ai un probl?me pour lire un tableau contenant 200000 observations et 30 variables. Je vous ...
    Jul 13, 2000 at 4:14 pm
    Jul 13, 2000 at 5:20 pm
  • Dear R guru's, I'd like to sort the columns of a matrix according to the elements in the first row, and in case of a tie according to the second row, etc. In case of a 3xn matrix woppa, something ...
    Ron WehrensRon Wehrens
    Jul 13, 2000 at 1:37 pm
    Jul 13, 2000 at 2:57 pm
  • Hi all, This is as much as statistical/estimation question as an R-specific one, but here goes. I am trying to use logistic regression to predict suitability of habitats for certain plant species ...
    Allan StrandAllan Strand
    Jul 11, 2000 at 4:20 pm
    Jul 11, 2000 at 4:41 pm
  • With a data frame containing daily data, I would like to overlay a barplot of daily outcomes with the daily high and low. However, when use the straightforward barplot(X$"day_end", col="gray", ...
    Dirk EddelbuettelDirk Eddelbuettel
    Jul 8, 2000 at 6:14 pm
    Jul 8, 2000 at 11:05 pm
  • This is really a question of how to program this *BETTER*. It works as I have done it, but is quite ugly. I want to do a 3d scatterplot of the upper triangle of a matrix, where the z-values are the ...
    Jul 7, 2000 at 10:56 pm
    Jul 8, 2000 at 11:06 am
  • Dear R friends, I was wondering if there were factorial and modulus functions out there that I've somehow overlooked? -P. -- Peter L. Hurd, Ph.D. phurd at ...
    Pete HurdPete Hurd
    Jul 6, 2000 at 5:05 pm
    Jul 7, 2000 at 12:44 am
  • Hi, R 1.0.1, on Linux(mandrake/RedHat). I am trying to write my first function using R and I need help figuring out the error I have indicated in the Subject line above. The purpose of the function ...
    Steve ArthurSteve Arthur
    Jul 5, 2000 at 10:38 pm
    Jul 5, 2000 at 11:16 pm
  • Dear all I'm having some trouble with a bound-constrained optimization using optim(...,method="L-BFGS-B"). Usually, everything works fine, but for some simulations, the algorithm just gets stuck ...
    Marcel WolbersMarcel Wolbers
    Jul 28, 2000 at 3:44 pm
    Jul 28, 2000 at 4:07 pm
  • Dear all, I am just wondering if anybody has implemented a function that can give a piecewise linear interpolation in more than 2 dimensions? I have looked at the akima package, but I would rather ...
    Kjetil KjernsmoKjetil Kjernsmo
    Jul 27, 2000 at 6:01 pm
    Jul 27, 2000 at 8:29 pm
  • here is a distillation of a problem encountered in transfering some working code from R-0.63 to R-1.1.0 a1 <- 1:10 b1 <- tapply(a1,a1, sum) c1 <- ts(b1) c1 Error in if (NCOL(x) == 1) { : missing ...
    Colin FarrowColin Farrow
    Jul 27, 2000 at 11:35 am
    Jul 27, 2000 at 11:35 am
  • Does anyone know of a module for R to access NetCDF datasets? I remember reading about a module for Splus, but I can't seem to find anything on CRAN ...
    Trent PiephoTrent Piepho
    Jul 25, 2000 at 8:29 pm
    Jul 25, 2000 at 8:50 pm
  • Hi R experts, Can somebody suggest what can be wrong? PIII with 128 Mb RAM Using R 1.1 in Win98, the latest version downloaded yesterday. I run update.packages so 'survival', ' mass', and 'nlme' are ...
    Heberto GhezzoHeberto Ghezzo
    Jul 25, 2000 at 5:41 pm
    Jul 25, 2000 at 5:41 pm
  • I guess it should be The order specified for object files (libraries are) on the compiler command line is IMPORTANT to the linker as it searches for symbols from left to right. Hope that helps ...
    Federico SpinazziFederico Spinazzi
    Jul 25, 2000 at 2:26 pm
    Jul 25, 2000 at 2:54 pm
  • Hello, I am almost new in R, so perhaps my question will be silly. I try to use R for analyzing capture-recapture data in epidemiology. A cancer registry has different sources of patients. We know in ...
    Jul 25, 2000 at 8:26 am
    Jul 25, 2000 at 12:58 pm
  • This is not directly related R related questions, but ... :-) I compiled R-devel(1.20?) on solaris2.6 system. Can I put the libmath.a library into my system library directory(say, /usr/local/lib) ...
    Jinsoo HwangJinsoo Hwang
    Jul 25, 2000 at 11:46 am
    Jul 25, 2000 at 12:38 pm
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